938 resultados para client voip sip symbian qt pjsip


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This report deals with collaborations of engineering consultants and clients in the automobile industry.

In these relationships three main challenges have been identified which have to be addressed by the consultancies. Therefore, the research takes the viewpoint of the consulting side. The challenges are

(i) the appropriate project goal definition;

(ii) achieving client satisfaction; and

(iii) dealing with international clients.

An investigation of such a relationship carried out on a case study shows that improvements can be achieved through communication support. The ways to do that are proposed.

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The adoption of inclusive design approach into design practice is compatible to the needs of an ageing society. However, tools and methods that promote inclusivity during new product development are scarcely used in industry. This paper is part of a research project that investigates ways to accommodate inclusive design into the design process in industrial context. The present paper is based on the finds from the observations and interviews with industrial designers and interviews with stakeholders. The outcomes from the study supported a better understanding of the client-designer dynamic as well as the stages in the design process where information related to inclusive design could be introduced. The findings were essential to inspire the development of an inclusive design interactive technique to be used by clients and designers. © 2013 Springer-Verlag Berlin Heidelberg.

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一次开发多语言使用是国际化软件开发的主要目标。但是世界上的文字多种多样,它们的书写方向也有所不同,除了水平从左向右书写的英文、水平从右往左书写的阿拉伯文外,还有类似蒙古文这样垂直排列的文字,这对计算机图形用户界面提出了更高的要求,现有的计算机系统将这类垂直排列的文字沿水平方向输出,极不符合少数民族人民的习惯。在分析现有Qt库对类似阿拉伯文这样从右向左书写的文字的部分支持机制的基础上,我们设计并实现了支持四种方向模式的国际化的图形用户界面,现在它已经能够适应世界上几乎所有的文字。这对于软件国际化以及民族语言信息处理有重要意义。

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随着软件产业国际化进程的发展,在操作系统中实现对我国少数民族文字的显示是一项具有挑战性和刻不容缓的任务,针对这项任务先分析了少数民族文字中蒙古文的语法特点和书写特点、桌面系统平台库QT的体系结构特点以及OpenType字体文件的特点,在此基础之上提出在QT中使用OpenType字体文件来实现蒙古文显示的详细实现方案,最后给出了目前该方案在项目中的实现情况和效果,并阐述了还有哪些地方需要进一步研究和改进。

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于2010-11-23批量导入

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Natl Univ Defen Technol, China & Nanyang Technol Univ, NUDT

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SIP协议是由IETF提出的应用层信令协议,用来建立、修改和终止多方参与的多媒体会话进程,具有很好的可扩展性、灵活性、互操作性和可重用性。在视频监控系统中使用SIP协议实现呼叫处理过程,可以使视频监控系统具有更好的兼容性和扩展能力。本文以网络视频监控系统为背景,介绍了视频监控系统的功能划分和SIP协议的相关内容,提出了基于SIP协议的视频监控呼叫处理方案,设计了支持节点注册、呼叫处理、用户认证、状态查询等功能的呼叫处理子系统,并且在视频监控系统中实现。为了满足运营级视频监控系统对呼叫处理能力的高要求,设计并实现了基于分布式系统的高性能SIP服务器,在集群上完成对高性能SIP服务器的性能测试。本文工作的主要贡献是:在视频监控系统中设计并实现了基于SIP协议的呼叫处理子系统;在分布式系统上设计并实现了具有高呼叫处理能力的高性能SIP服务器。

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SIP(Session Initiation Protocol)是下一代网络(NGN)的核心控制协议之一。文章介绍了以SIP作为基础的嵌入式网络可视电话的结构设计,并提出了实验模型。

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Taylor, L. (2004). Client-ship and Citizenship in Latin America. Bulletin of Latin American Research. 23(2), pp.213-227. RAE2008